mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
2.2 KiB
90 lines
2.2 KiB
/*****************************************************************************\
|
|
* MODULE: mem.h
|
|
*
|
|
* Header file for memory handling routines (mem.c).
|
|
*
|
|
*
|
|
* Copyright (C) 1996-1997 Microsoft Corporation
|
|
* Copyright (C) 1996-1997 Hewlett Packard
|
|
*
|
|
* History:
|
|
* 07-Oct-1996 HWP-Guys Initiated port from win95 to winNT
|
|
*
|
|
\*****************************************************************************/
|
|
|
|
#ifndef _INETPPMEM_H
|
|
#define _INETPPMEM_H
|
|
|
|
/*-----------------------------------*\
|
|
| Constants
|
|
\*-----------------------------------*/
|
|
#define DEADBEEF 0xdeadbeef // Tail Marker.
|
|
#define MAPMEM ((HANDLE)-1) // File-Map-Memory.
|
|
|
|
|
|
/*-----------------------------------*\
|
|
| MEMHEAD Structure
|
|
\*-----------------------------------*/
|
|
typedef struct _MEMHEAD {
|
|
|
|
struct _MEMHEAD *pmPrev; // Reference to previous mem-block (dbg-only).
|
|
struct _MEMHEAD *pmNext; // Reference to next mem-block (dbg-only).
|
|
DWORD dwTag; // Memory Tag.
|
|
DWORD cbSize; // size of block allocated (non-aligned size).
|
|
PVOID pvMem[1]; // Start of user-addressable memory.
|
|
|
|
} MEMHEAD;
|
|
typedef MEMHEAD *PMEMHEAD;
|
|
typedef MEMHEAD NEAR *NPMEMHEAD;
|
|
typedef MEMHEAD FAR *LPMEMHEAD;
|
|
|
|
|
|
/*-----------------------------------*\
|
|
| MEMTAIL Structure
|
|
\*-----------------------------------*/
|
|
typedef struct _MEMTAIL {
|
|
|
|
DWORD dwSignature;
|
|
|
|
} MEMTAIL;
|
|
typedef MEMTAIL *PMEMTAIL;
|
|
typedef MEMTAIL NEAR *NPMEMTAIL;
|
|
typedef MEMTAIL FAR *LPMEMTAIL;
|
|
|
|
#define MEM_HEADSIZE (FIELD_OFFSET(MEMHEAD, pvMem)) //
|
|
#define MEM_TAILSIZE (1 * sizeof(DWORD)) //
|
|
#define MEM_SIZE (MEM_HEADSIZE + MEM_TAILSIZE) //
|
|
|
|
/*-----------------------------------*\
|
|
| memAlignSize
|
|
\*-----------------------------------*/
|
|
_inline BOOL memAlignSize(
|
|
DWORD cbSize)
|
|
{
|
|
return ((cbSize & 3) ? (cbSize + (sizeof(DWORD) - (cbSize & 3))) : cbSize);
|
|
}
|
|
|
|
PVOID memAlloc(
|
|
UINT cbSize);
|
|
|
|
BOOL memFree(
|
|
PVOID pMem,
|
|
UINT cbSize);
|
|
|
|
UINT memGetSize(
|
|
PVOID pMem);
|
|
|
|
VOID memCopy(
|
|
PSTR *ppDst,
|
|
PSTR pSrc,
|
|
UINT cbSize,
|
|
PSTR *ppBuf);
|
|
|
|
PTSTR memAllocStr(
|
|
LPCTSTR lpszStr);
|
|
|
|
BOOL memFreeStr(
|
|
PTSTR lpszStr);
|
|
|
|
#endif
|
|
|